Bump rollup in /src/Umbraco.Commerce.ProductFeeds.Client/frontend (#15)

Bumps [rollup](https://github.com/rollup/rollup) from 4.21.0 to 4.23.0.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v4.21.0...v4.23.0)

---
updated-dependencies:
- dependency-name: rollup
  dependency-type: indirect
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]